We are carrying out "Cooling Fan Manufacturer" computer power to clean up, before we turn on the power supply box to look at whether the warranty extension, if the warranty period has been assured that we can clean up a computer power supply fan, but never had warranty I would advise against arbitrary power apart, because what we have to find a power failure can be directly dealer warranty. Here we only had the computer power for the warranty period "Cooling Fan Manufacturer" Clean explain. We supply a few years, computer power supply fan gathering dust above, we need to first clean up the power outside, carefully twist off the screw, the first child with a toothbrush to clean your computer power "Cooling Fan Manufacturer" blade dust, note that the dust will be raised high, you must take your time,, cleared, the rest of the way to dusty interior also cleaning.